Exploring The Chemistry of Life in AP Biology

What is the delay time between the teacher's speech and its reception by the audience?

• 1 minute

• 10 seconds

• 30 seconds

• 5 minutes

Which atom in water has a partial negative charge?

• Nitrogen

• Carbon

• Hydrogen

• Oxygen

What type of bond is formed between monosaccharides in carbohydrates?

• Glycosidic bonds

• Peptide bonds

• Ionic bonds

• Hydrogen bonds

What property allows ice to float on water?

• None of the above

• Same density as liquid water

• Higher density than liquid water

• Lower density than liquid water

Which type of fatty acid is liquid at room temperature?

• None of the above

• Trans fats

• Saturated fatty acids

• Unsaturated fatty acids

What type of sugar is found in RNA?

• Ribose

• Deoxyribose

• Fructose

• Glucose

Which type of bond is formed between amino acids in a protein structure?

• Glycosidic bonds

• Peptide bonds

• Hydrogen bonds

• Ionic bonds

What is the primary cause of protein denaturation?

• Covalent bond strengthening

• Salt formations

• Water hydrolysis reactions

• Changes in temperature and pH

Which base is not found in DNA but is in RNA?

• Uracil

• Thymine

• Cytosine

• Adenine

What is the structural form of DNA?

• Double helix

• Single strand

• Triple helix

• Quadruple strand